is 2 4254451511 - 1
has 1280717520 decimal digits
takes 1,151,508.664 GHz-days to do one PRP test
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27928.777759.4937%----28.777759.4937%
Target292235,746.994065.2174%200000009600000000212,689.82294.2612%448,436.816966.6995%
Difference-13-235,718.2163-5.7237%-20000000-9600000000-212,689.8229-4.2612%-448,408.0392-7.2059%

Known prime factors (6 factors, 239.8 bits, 0.00000564% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4254451511340356120891134.9864
22
2012-08-20445.431e-130.00160.0032
4254451511765801271991136.1569
32
2012-08-20992.198e-120.00350.0072
42544515111361424483531236.98616
24
2012-08-2016162.234e-120.00630.0128
42544515116466766296731239.23476
22 × 19
2014-08-264192.033e-110.00190.0032
4254451511309724070000811444.8163640
23 × 5 × 7 × 13
2014-08-268139.181e-100.00320.0064
42544515112216824504321671547.65526053
26053
2014-08-261260534.543e-90.55741.0406

57 Composite Factors:
P-1 results:
No P-1 results for M4254451511


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2022-01-27ramgeisr4mg31s27127236.986120.1122,341,8607.362
2022-01-27ramgeisr4mg31s27127234.986110.1122,341,8601.840
2022-01-27ramgeisr4mg31s27127236.156110.1122,341,8603.681
Missing TF 72 - 73
2022-01-29ramgeisr4mg31s27327436.986120.4502,341,8607.362
2022-01-29ramgeisr4mg31s27327436.156110.4502,341,8603.681
2022-01-30ramgeisr4mg31s27427534.986110.8992,341,8601.840
2022-01-30ramgeisr4mg31s27427539.234120.8992,341,8607.362
2014-08-2627527639.234123.11497e-122,341,8607.362
2014-08-2627527636.156114.61098e-142,341,8603.681
2022-02-03ramgeisr4mg31s27527639.234121.7992,341,8607.362
2022-02-03ramgeisr4mg31s27527636.156111.7992,341,8603.681
2014-08-2627627736.986128.19730e-142,341,8607.362
2014-08-2627627739.234123.11497e-122,341,8607.362
2022-02-06ramgeisr4mg31s27627736.986123.5972,341,8607.362
2022-02-06ramgeisr4mg31s27627739.234123.5972,341,8607.362
2022-04-07ramgeisr4mg31s277278--7.194--
2022-04-27ramgeisr4mg31s278279--14.39--


ECM factoring results:
No ECM results for M4254451511


Lucas-Lehmer results:
No L-L results for M4254451511


PRP results:
No PRP results for M4254451511


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
TF factor-bounds graph:
279
278
277
276
275
274
272
this exponent TF target: 92
250
260
270
280
290
2100
Last modified: 2023-07-11T14:45:05+00:00